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Term | Terme français | Definition | Définition française |
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light (or lighted) beacon | NULL | See BEACON. | NULL |
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light beam | NULL | A group of PENCILS of light, as those originating at the many points of an illuminated surface. A BEAM of parallel LIGHT RAYS is a special ... more | NULL |
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light (or lighted) buoy | NULL | See BUOY. | NULL |
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light characteristics | NULL | See CHARACTERISTICS OF LIGHT. | NULL |
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lighted sound buoy | NULL | See BUOY. | NULL |
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light float | NULL | A boat-like structure used instead of a light buoy in waters where strong streams or currents are experienced, or when a greater elevation t... more | NULL |
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lighthouse | Phare | A distinctive structure on or off a COAST exhibiting a major LIGHT designed to serve as an AID TO NAVIGATION. | Phare.m Tour ou construction caractéristique élevée sur la CÔTE, ou au large d'une côte, portant un FEU puissant et servant d'AIDE À ... more |
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light list | NULL | See LIST OF LIGHTS. | NULL |
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lightning | Éclair | Luminous manifestations accompanying a sudden electrical discharge which takes place from or inside a CLOUD or, less often, from high stru... more | Éclair.mManifestation lumineuse qui accompagne une décharge brusque d'électricité atmosphérique (foudre). Cette décharge peut jaillir ... more |
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light pencil | Pinceau (lumineux) | A bundle of LIGHT RAYS originating at, or directed to, a single point. | Pinceaum(lumineux). FAISCEAU LUMINEUX quasi cylindrique de petite section. Est utilisé dans beaucoup de feux À faisceaux tournants. |
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light ray | Rayon lumineux | The geometrical concept of a single element of light propagated in a straight line and of infinitesimal cross-section; used in analyticall... more | Rayonmlumineux. RAYON d’énergie lumineuse, constituant élémentaire idéalisé d'un FAISCEAU LUMINEUX. Ce concept est utilisé en opti... more |
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light sector | Secteur lumineux | A sector in which a navigational LIGHT is visible. See ARC OF VISIBILITY. | Secteurmlumineux. Secteur angulaire défini par deux RELÈVEMENTS limites dans lequel un FEU est visible depuis le large et présente des c... more |
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lightship | NULL | A distinctively marked vessel anchored or moored at a charted point, to serve as an AID TO NAVIGATION. By night it displays a characteristic... more | NULL |
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light vessel | NULL | See LIGHTSHIP. | NULL |
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light-year | Année-lumière | A unit of length equal to the distance light travels in one YEAR. This unit is used as a measure of stellar distance. | Année-lumière.f Unité de longueur égale à la distance que la lumière parcourt en une année de 365 jours. L'année lumière est utilis... more |
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Lighter Aboard Ship (LASH) | Navire porte-barge | A cargo carrying system using specially built ships and lighters. Cargoes are loaded into LASH lighters which are towed to a LASH ship where... more | Naviremporte-barge. Voir LASH. |
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limb | Limbe | The graduated curved part of an instrument for measuring angles, as that part of a MARINE SEXTANT carrying the altitude scale, or arc. The c... more | Limbe.ma)Bord circulaire extérieur d'un ASTRE. On appellelimbe supérieurla moitié de ce bord dont les points ont tous une HAUTEUR supéri... more |
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limestone | Roche calcaire | A ROCK which consists chiefly of calcium carbonate. | Rochefcalcaire. ROCHE principalement formée de carbonate de calcium. |
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limnology | Limnologie | The scientific study of the biological, chemical, geographical, and physical features of fresh waters, especially of LAKES and PONDS. | Limnologie.f Science qui a pour objet l'étude biologique, chimique, et physique des eaux stagnantes (des LACS et des ÉTANGS). |
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linear light | NULL | See LIGHT. | NULL |